80 lines
2.1 KiB
C++
80 lines
2.1 KiB
C++
// Copyright 2017 Antony Polukhin.
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt
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// or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/stacktrace/detail/void_ptr_cast.hpp>
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#include <boost/core/lightweight_test.hpp>
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int foo1_func(int) { return 0; }
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void foo2_func(int, int, ...) {}
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struct test_struct {
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int foo1_memb(int) const { return 0; }
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void foo2_memb(int, int, ...) {}
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};
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template <class F1, class F2>
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void test(F1 foo1, F2 foo2) {
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using boost::stacktrace::detail::void_ptr_cast;
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typedef void(*void_f_ptr)();
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// Function/variable to void(*)()
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void_f_ptr fp1 = void_ptr_cast<void_f_ptr>(foo1);
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void_f_ptr fp2 = void_ptr_cast<void_f_ptr>(foo2);
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BOOST_TEST(fp1);
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BOOST_TEST(fp2);
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BOOST_TEST(fp1 != fp2);
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// Function/variable to void*
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void* vp1 = void_ptr_cast<void*>(foo1);
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void* vp2 = void_ptr_cast<void*>(foo2);
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BOOST_TEST(vp1);
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BOOST_TEST(vp2);
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BOOST_TEST(vp1 != vp2);
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// void* to void(*)()
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void_f_ptr fp1_2 = void_ptr_cast<void_f_ptr>(vp1);
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void_f_ptr fp2_2 = void_ptr_cast<void_f_ptr>(vp2);
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BOOST_TEST(fp1_2);
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BOOST_TEST(fp2_2);
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BOOST_TEST(fp1_2 != fp2_2);
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BOOST_TEST(fp1 == fp1_2);
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BOOST_TEST(fp2 == fp2_2);
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// void(*)() to void*
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BOOST_TEST(void_ptr_cast<void*>(fp1) == vp1);
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BOOST_TEST(void_ptr_cast<void*>(fp2) == vp2);
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// void(*)() to function/variable
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BOOST_TEST(void_ptr_cast<F1>(fp1) == foo1);
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BOOST_TEST(void_ptr_cast<F2>(fp2) == foo2);
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// void* to function/variable
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BOOST_TEST(void_ptr_cast<F1>(vp1) == foo1);
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BOOST_TEST(void_ptr_cast<F2>(vp2) == foo2);
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}
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int main() {
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// Testing for functions
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test(foo1_func, foo2_func);
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typedef void(func_t)();
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test(
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boost::stacktrace::detail::void_ptr_cast<func_t* const>(foo1_func),
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boost::stacktrace::detail::void_ptr_cast<func_t* const>(foo2_func)
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);
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// Testing for variables (just in case...)
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int i = 0;
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double j= 1;
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test(&i, &j);
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return boost::report_errors();
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}
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